Who owns the FQEN trademark?

The FQEN trademark is owned by Qingbo Liu.

What class is the FQEN trademark registered in?

The FQEN trademark is registered in Class 019 (Non-metallic building materials).

What is the serial number for FQEN?

The USPTO serial number for FQEN is 99278299.

What is the registration number for FQEN?

FQEN is registered under USPTO registration number 8137133.

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Updated Oct 8, 2026·35 searches this week

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FQE

USPTO Trademark Record

REGISTERED

FQEN

SN 99278299·Reg 8137133·Filed Jul 11, 2025

Owner Qingbo Liu

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

FQEN (Serial No. 99278299), Registration No. 8137133, is a registered US trademark filed on Jul 11, 2025 by Qingbo Liu. This trademark covers Class 019 (Non-metallic building materials).

early section 8: February 10, 2032

Mark Intelligence

FQEN (Reg. #8137133) is a registered US trademark that has been protecting its owner, Qingbo Liu, since 2025. The mark covers Class 019 (Non-metallic building materials). Goods and services include Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 11, 2025

SERIAL

99278299

REG#

8137133

REGISTERED

Feb 10, 2026

Filing Information

StatusREGISTERED

Filing DateJul 11, 2025

Serial Number99278299

Registration No.8137133

Registration DateFeb 10, 2026

Status DateFeb 10, 2026

Published for OppositionDec 23, 2025

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 019Non-metallic building materials

US codes: 001, 012, 033, 050

First use anywhere: Jul 01, 2025

First use in commerce: Jul 01, 2025

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

This description is as filed with the USPTO and defines the scope of trademark protection.